January weather forecast
South Plattsburgh, NY

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Weather in January

January, like December, is another subzero cold winter month in South Plattsburgh, New York, with an average temperature fluctuating between 12.4°F (-10.9°C) and 24.8°F (-4°C).

Temperature

January stands out as South Plattsburgh's coldest month, with an average high-temperature of 24.8°F (-4°C) and a low-temperature of 12.4°F (-10.9°C).

Humidity

January and February, with an average relative humidity of 86%, are the most humid months.

Rainfall

In January, the rain falls for 8.3 days. Throughout January, 1.77" (45mm) of precipitation is accumulated. In South Plattsburgh, during the entire year, the rain falls for 162.6 days and collects up to 27.6" (701mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In South Plattsburgh, in January, snow falls for 19.3 days, with typically accumulated 8.03" (204mm) of snow. Throughout the year, there are 78.2 snowfall days, and 37.13" (943mm) of snow is accumulated.

Daylight

The average length of the day in January in South Plattsburgh is 9h and 17min.
On the first day of the month, sunrise is at 7:30 am and sunset at 4:23 pm. On the last day of January, in South Plattsburgh, New York, sunrise is at 7:14 am and sunset at 5:00 pm EST.

Sunshine

In January, the average sunshine is 3.9h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: An average UV index of 1 in January transforms into this advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

The coldest time of the year is January, with temperatures averaging a high of 24.8°F (-4°C) and a low of 12.4°F (-10.9°C).

How cold is it in January?

During January, South Plattsburgh experiences an average high-temperature of 24.8°F (-4°C) and a low-temperature of 12.4°F (-10.9°C).

What are the most humid months in South Plattsburgh?

The months with the highest humidity are January and February, with an average relative humidity of 86%.

What is the average humidity in January?

In January, the average relative humidity is 86%.

How many days does it rain in January?

In January, in South Plattsburgh, the rain falls for 8.3 days. Throughout January, 1.77" (45mm) of precipitation is accumulated.

How many days does it snow in January in South Plattsburgh?

In January, in South Plattsburgh, it is snowing for 19.3 days. Throughout January, 8.03" (204mm) of snow is accumulated.

How many hours of daylight does South Plattsburgh have in January?

The average day length in January is 9h and 17min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:30 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:00 pm EST.

How long on average sun shines in January?

In South Plattsburgh, the average sunshine duration in January is 3.9h.

When is the lowest UV index?

January and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the UV index intensity in January?

The average daily maximum UV index in January is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
South Plattsburgh, NY

Average temperature in January - South Plattsburgh, NY
  • Average high temperature in January: 24.8°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (24.8°F).

  • Average low temperature in January: 12.4°F

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).

Average pressure in January
South Plattsburgh, NY

Average pressure in January - South Plattsburgh, NY
  • Average pressure in January: 30.02"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in January
South Plattsburgh, NY

Average wind speed in January - South Plattsburgh, NY
  • Average wind speed in January: 7mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in January
South Plattsburgh, NY

Average humidity in January - South Plattsburgh, NY
  • Average humidity in January: 86%

The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and May (75%).

Average rainfall in January
South Plattsburgh, NY

Average rainfall in January - South Plattsburgh, NY
  • Average rainfall in January: 1.77"

The wettest month (with the highest rainfall) is June (3.15").
The driest month (with the least rainfall) is February (1.73").

Average rainfall days in January
South Plattsburgh, NY

Average rainfall days in January - South Plattsburgh, NY
  • Average rainfall days in January: 8.3 days

The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is February (6.8 days).

Average snowfall in January
South Plattsburgh, NY

Average snowfall in January - South Plattsburgh, NY
  • Average snowfall in January: 8.03"

The month with the highest snowfall is February (10").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
South Plattsburgh, NY

Average snowfall days in January - South Plattsburgh, NY
  • Average snowfall days in January: 19.3 days

The month with the highest number of snowfall days is January (19.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
South Plattsburgh, NY

Average daylight in January / Average sunshine in January - South Plattsburgh, NY
  • Average daylight in January: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in January: 3h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

Average sunshine days in January
South Plattsburgh, NY

Average sunshine days in January - South Plattsburgh, NY
  • Average sunshine days in January: 10.5 days

The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is February (8.6 days).

Average UV index in January
South Plattsburgh, NY

Average UV index in January - South Plattsburgh, NY
  • Average UV index in January: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in January
South Plattsburgh, NY

Average cloud cover in January - South Plattsburgh, NY
  • Average cloud cover in January: 62

The month with the most cloud cover is February (Cloud cover 64).
The months with the least cloud cover are July, August and September (Cloud cover 31).

Average visibility in January
South Plattsburgh, NY

Average visibility in January - South Plattsburgh, NY
  • Average visibility in January: 5mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).

South Plattsburgh, New York, USA

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